Adding E2E source sets

build.groovy

sourceSets {
    e2eTest {
        java {
            srcDir 'src/e2etest/java'
        }
        resources {
            srcDir 'src/e2etest/resources'
        }
        compileClasspath += sourceSets.main.runtimeClasspath
        compileClasspath += sourceSets.test.compileClasspath
    }
}

task e2eTest(type: Test) {
    description = "Runs End to End Tests"
    testClassesDir = sourceSets.e2eTest.output.classesDir
    classpath += sourceSets.e2eTest.runtimeClasspath
}